From 87f5d6f6a868c3f14614e80366c506db6c83e5c3 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Sun, 14 Jan 2024 14:31:14 -0800
Subject: [PATCH] apprt/embedded: do not depend on macOS APIs on non-macOS

---
 src/apprt/embedded.zig   |  3 +++
 src/input.zig            |  4 ++--
 src/input/KeymapNoop.zig | 38 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 43 insertions(+), 2 deletions(-)
 create mode 100644 src/input/KeymapNoop.zig

diff --git a/src/apprt/embedded.zig b/src/apprt/embedded.zig
index 9b79fefca..a88aa55b0 100644
--- a/src/apprt/embedded.zig
+++ b/src/apprt/embedded.zig
@@ -1664,6 +1664,9 @@ pub const CAPI = struct {
         ptr: *Surface,
         window: *anyopaque,
     ) void {
+        // This is only supported on macOS
+        if (comptime builtin.target.os.tag != .macos) return;
+
         const config = ptr.app.config;
 
         // Do nothing if we don't have background transparency enabled
diff --git a/src/input.zig b/src/input.zig
index 47024ff67..814415fcb 100644
--- a/src/input.zig
+++ b/src/input.zig
@@ -17,8 +17,8 @@ pub const SplitResizeDirection = Binding.Action.SplitResizeDirection;
 // Keymap is only available on macOS right now. We could implement it
 // in theory for XKB too on Linux but we don't need it right now.
 pub const Keymap = switch (builtin.os.tag) {
-    .ios, .macos => @import("input/KeymapDarwin.zig"),
-    else => struct {},
+    .macos => @import("input/KeymapDarwin.zig"),
+    else => @import("input/KeymapNoop.zig"),
 };
 
 test {
diff --git a/src/input/KeymapNoop.zig b/src/input/KeymapNoop.zig
new file mode 100644
index 000000000..414c52954
--- /dev/null
+++ b/src/input/KeymapNoop.zig
@@ -0,0 +1,38 @@
+//! A noop implementation of the keymap interface so that the embedded
+//! library can compile on non-macOS platforms.
+const KeymapNoop = @This();
+
+const Mods = @import("key.zig").Mods;
+
+pub const State = struct {};
+pub const Translation = struct {
+    text: []const u8,
+    composing: bool,
+};
+
+pub fn init() !KeymapNoop {
+    return .{};
+}
+
+pub fn deinit(self: *const KeymapNoop) void {
+    _ = self;
+}
+
+pub fn reload(self: *KeymapNoop) !void {
+    _ = self;
+}
+
+pub fn translate(
+    self: *const KeymapNoop,
+    out: []u8,
+    state: *State,
+    code: u16,
+    mods: Mods,
+) !Translation {
+    _ = self;
+    _ = out;
+    _ = state;
+    _ = code;
+    _ = mods;
+    return .{ .text = "", .composing = false };
+}